Sharpie Ultra Fine Point Permanent Markers possess the ultimate precision point. The extra-fine, hard nylon point has a 0.3 mm line width, perfect for extreme control and accuracy. The ink is fade and water resistant and will mark permanently on most hard-to-mark surfaces. The ink is quick drying, non-toxic, and alcohol based. The pens feature slim barrel designs for easier storage and metal pocket clips – never misplace your Ultra Fine Point